Dell Inspiron 24 Service Manual
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Dell Inspiron 24 Service Manual

Dell Inspiron 24 Service Manual

7000 series
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Inspiron 24
7000 Series
Service Manual
Computer Model: Inspiron 24–7459
Regulatory Model: W07C
Regulatory Type: W07C003

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Summary of Contents for Dell Inspiron 24

  • Page 1 Inspiron 24 7000 Series Service Manual Computer Model: Inspiron 24–7459 Regulatory Model: W07C Regulatory Type: W07C003...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks ™...

  • Page 3: Table Of Contents

    Contents Before working inside your computer........9 ....................9 Before you begin ....................10 Safety instructions ..................11 Recommended tools After working inside your computer........12 Technical overview..............13 ................13 Inside view of your computer ................14 Stand-base components ............15 Display panel with stand assembly ................
  • Page 4 Replacing the mSATA card............26 ......................26 Procedure ....................27 Post-requisites Removing the coin-cell battery..........28 ....................28 Prerequisites ......................28 Procedure Replacing the coin-cell battery..........30 ......................30 Procedure ....................30 Post-requisites Removing the wireless card.............31 ..................... 31 Prerequisites ......................31 Procedure Replacing the wireless card.............33 ......................33...
  • Page 5 Replacing the hard drive............41 ......................41 Procedure ....................41 Post-requisites Removing the speakers............42 .....................42 Prerequisites ....................... 42 Procedure Replacing the speakers............44 ....................... 44 Procedure ....................44 Post-requisites Removing the USB board............45 .....................45 Prerequisites ......................45 Procedure Replacing the USB board............47 ......................47 Procedure ....................
  • Page 6 Replacing the heat sink............54 ......................54 Procedure ....................54 Post-requisites Removing the system board............55 .....................55 Prerequisites ......................55 Procedure Replacing the system board............ 58 ......................58 Procedure ....................58 Post-requisites Removing the back cover............59 .....................59 Prerequisites ......................59 Procedure Replacing the back cover............61 ......................61 Procedure...
  • Page 7 Replacing the microphone............69 ......................69 Procedure ....................69 Post-requisites Removing the converter board..........70 .....................70 Prerequisites ......................70 Procedure Replacing the converter board..........72 ......................72 Procedure ....................72 Post-requisites Removing the power-button module........73 .....................73 Prerequisites ......................73 Procedure Replacing the power-button module........75 ......................75 Procedure ....................
  • Page 8 ..................... 91 Prerequisites ......................92 Procedure Replacing the control-buttons board........94 ......................94 Procedure ....................94 Post-requisites Clearing forgotten passwords..........95 Clearing CMOS settings............97 Flashing the BIOS..............99 Getting help and contacting Dell.........100 ..................100 Self-help resources ....................101 Contacting Dell...

  • Page 9: Before Working Inside Your Computer

    Before working inside your computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin Save and close all open files and exit all open applications.

  • Page 10: Safety Instructions

    CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 11: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: • Philips screwdriver • Flat-head screwdriver • Plastic scribe...

  • Page 12: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer.

  • Page 13: Technical Overview

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Inside view of your computer This chapter lists out the components on the computer base and display...

  • Page 14: Stand-Base Components

    Stand-base components system board wireless card heat sink coin-cell battery memory modules mSATA card speakers (2) USB board hard-drive assembly...

  • Page 15: Display Panel With Stand Assembly

    Display panel with stand assembly auxiliary antenna auxiliary-antenna cable right-microphone cable right microphone camera assembly camera cable left-microphone cable left microphone main-antenna cable main antenna display panel middle cover display cable stand converter cable converter board power-button board cable control-buttons board control-buttons board cable display-backlight cable...

  • Page 16: System Board Components

    System board components wireless-card slot display-cable connector I/O-cable connector fan-cable connector USB-board cable connector speaker-cable connector CMOS and password jumpers hard-drive connector mSATA-card slot memory-module slots (2) coin-cell battery cable connector...

  • Page 17: Removing The Memory Module

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Loosen the captive screw that secures the memory-module cover to the base cover.
  • Page 18 Remove the memory module from the memory-module slot. securing clips (2) memory-module slot memory module...

  • Page 19: Replacing The Memory Module

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory- module slot.
  • Page 20 Insert the memory module into the memory-module slot and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. notch memory-module slot memory module Insert the tabs on the memory-module cover into the slots on the base cover and place the memory-module cover on the base cover.

  • Page 21: Removing The Base Cover

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Remove the screws that secure the base cover to the stand. screws (8)
  • Page 22 Lift the base cover off the computer base. base cover plastic scribe...

  • Page 23: Replacing The Base Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the slots on the base cover into the ports on the system board and snap the base cover into place.

  • Page 24: Removing The Msata Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure...
  • Page 25 Slide and remove the mSATA card from the mSATA-card slot. mSATA card screw mSATA-card slot...

  • Page 26: Replacing The Msata Card

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the notch on the mSATA card with the tab on the mSATA-card slot. Slide the mSATA card at an angle into the mSATA-card slot.

  • Page 27: Post-Requisites

    Press the other end of the mSATA card down and replace the screw that secures the mSATA card to the system board. screw mSATA card notch mSATA-card slot Post-requisites Replace the base cover.

  • Page 28: Removing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
  • Page 29 Peel off the coin-cell battery from the system board. coin-cell battery coin-cell battery cable...

  • Page 30: Replacing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Adhere the coin-cell battery to the system board. Route the cable through the routing guide on the system board.

  • Page 31: Removing The Wireless Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Procedure Remove the screw that secures the wireless card to the system board.
  • Page 32 Slide the wireless card out of the wireless-card slot. screw wireless-card bracket wireless card antenna cables (2)

  • Page 33: Replacing The Wireless Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure CAUTION: To avoid damaging the wireless card, do not place any cables under it.

  • Page 34: Post-Requisites

    Replace the screw that secures the wireless card to the system board. wireless card notch antenna cables (2) wireless-card bracket screw Post-requisites Replace the base cover.

  • Page 35: Removing The Computer Base

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 36 Remove the screws that secure the computer base to the stand assembly. Lift the computer base and slide the display cable, I/O cable, and antenna cables through the slot on the computer base. slot computer base screws (2)

  • Page 37: Replacing The Computer Base

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the display cable, I/O cable, and antenna cables through the cable slot on the computer base.

  • Page 38: Removing The Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 39 Note the speaker-cable routing and remove the cable from the routing guides on the hard-drive assembly. speaker cable routing guide Remove the screws that secure the hard-drive assembly to the computer base. Lift the hard-drive assembly off the computer base. screws (4) hard-drive assembly Remove the screws that secure the hard-drive bracket to the hard drive.
  • Page 40 Lift the hard-drive bracket off the hard drive. hard-drive bracket screws (4) Disconnect the interposer from the hard drive. interposer hard drive...

  • Page 41: Replacing The Hard Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Connect the interposer to the hard drive.

  • Page 42: Removing The Speakers

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 43 Lift the speakers, along with the cable, off the computer base. speaker cable screws (4) routing guide computer base speakers (2)

  • Page 44: Replacing The Speakers

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the speakers with the screw holes on the computer base.

  • Page 45: Removing The Usb Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 46 Lift the USB board off the computer base. routing clip screw USB board tape USB-board cable...

  • Page 47: Replacing The Usb Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw hole on the USB board with the screw hole on the computer base.

  • Page 48: Removing The Fan

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 49 Disconnect the fan cable from the system board. Remove the screws that secure the fan to the computer base. Lift the fan, along with its cable, off the computer base. fan cable screws (2)

  • Page 50: Replacing The Fan

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the fan with the screw holes on the computer base.

  • Page 51: Removing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

  • Page 52: Procedure

    Procedure Peel off the tape from the heat sink and fan. tape In sequential order (indicated on the heat sink), loosen the captive screws that secure the heat sink to the system board.
  • Page 53 Lift the heat sink off the system board. captive screws (6) heat sink...

  • Page 54: Replacing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together.

  • Page 55: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 56 Disconnect the USB-board cable from the system board. system board fan cable USB-board cable tape Remove the screws that secure the system board to the computer base.
  • Page 57 Lift the system board out of the computer base. system board screws (5)

  • Page 58: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 59: Removing The Back Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 60 Lift the back cover off the display assembly. back cover display assembly plastic scribe...

  • Page 61: Replacing The Back Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the stand through the slot on the back cover and place the back cover over the display assembly.

  • Page 62: Removing The Camera

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 63 Peel off the foil from the camera assembly. NOTE: Note the orientation of the camera assembly so that you can replace it correctly. camera assembly foil Remove the screws that secure the camera assembly to the display bezel. Lift the camera assembly and turn it over.

  • Page 64: Procedure For Removing The 2D Camera

    Rotate and remove the camera from the camera bracket. screws (2) display bezel camera bracket camera cable camera Procedure for removing the 2D camera Disconnect the camera cable from the camera. Remove the screws that secure the camera assembly to the display bezel. Carefully lift the camera assembly and turn it over.
  • Page 65 Lift the camera off the camera bracket. NOTE: Note the orientation of the camera assembly so that you can replace it correctly. display bezel screws (2) camera bracket camera cable camera...

  • Page 66: Replacing The Camera

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure for replacing the 3D camera Connect the camera cable to the camera. Slide the camera into the camera bracket.

  • Page 67: Removing The Microphone

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 68 Disconnect the microphone cable from the microphone. left microphone right microphone tabs (2) microphone cable microphone...

  • Page 69: Replacing The Microphone

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Connect the microphone cable to the microphone. Align the microphone with the slot on the display bezel and slide the microphone into the slot till the securing clip lock in place.

  • Page 70: Removing The Converter Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 71 Lift the converter board off the middle cover. NOTE: Note the orientation of the converter board so that you can replace it correctly. middle cover display-backlight cable converter board converter cable screws (2)

  • Page 72: Replacing The Converter Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the screw holes on the converter board with the screw holes on the middle cover.

  • Page 73: Removing The Power-Button Module

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 74 Lift the power button off the display bezel. screw control-buttons board cable power-button cable routing guides tape power-button module...

  • Page 75: Replacing The Power-Button Module

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the power-button module into the slot on the display bezel. Adhere the tape over the power-button module.

  • Page 76: Removing The Stand Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 77 Remove the screws that secure the cables to the middle cover. screws (3) middle cover control-button board cable power-button cable converter-board cable Press the securing clips and disconnect the display cable from the middle cover. Peel off the tapes that secures the cables and padding on the middle cover.
  • Page 78 Peel off the antennas from the middle cover. tapes (4) foils (2) middle cover antennas (2) display cable securing clips (2) Remove all the cables from the routing guides. NOTE: Note the routing of the cables before you remove them so that you can remove them correctly.
  • Page 79 10 Slide and release the tabs on the stand assembly from the slots on the middle cover and turn the stand assembly over. stand assembly screws (8) 11 Peel off the tape that secures the touch screen cable.
  • Page 80 12 Release the touch screen cable from the routing clip on the middle cover. stand assembly tape routing clip touch screen cable 13 Lift the stand assembly off the middle cover.

  • Page 81: Replacing The Stand Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the stand assembly on the middle cover. Connect the touch screen cable to the middle cover.
  • Page 82 Replace the computer base. Replace the wireless card. Replace the base cover.

  • Page 83: Removing The Display Panel

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.
  • Page 84 Press the securing clips and disconnect the display-backlight cable from the display panel. display panel tape power-button cable display-backlight cable securing clips (2) middle cover Remove the screws that secure the middle cover to the display bezel.
  • Page 85 Lift the middle cover off the display assembly. screws (18) middle cover Remove the screws that secure the display assembly to the display bezel. Peel off the tape from the display panel. Open the latches and disconnect the cables from the display panel.
  • Page 86 Peel off the cable from the display panel. tape latches (3) cables (3) display panel display bezel screws (6)
  • Page 87 10 Lift the display-panel assembly off the display bezel and place it on a flat and clean surface. display bezel display panel 11 Remove the screws that secure the brackets to the display panel...
  • Page 88 12 Remove the brackets from the display panel. display panel screws (4) brackets (2)

  • Page 89: Replacing The Display Panel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the display panel on a flat and clean surface. Align the screw holes on the brackets with the screw holes on the display panel.
  • Page 90 Replace the wireless card. Replace the base cover.

  • Page 91: Removing The Control-Buttons Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the base cover. Remove the wireless card.

  • Page 92: Procedure

    Procedure Using a plastic scribe, pry the control-buttons board assembly out of the tabs on the display bezel. display bezel control-buttons board assembly tabs (2) plastic scribe...
  • Page 93 Rotate and release the control-buttons board from the bracket. bracket control-buttons board...

  • Page 94: Replacing The Control-Buttons Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Place the control-buttons board on the buttons bracket. Place the control-buttons board assembly into the slot on the display bezel and snap it in place.

  • Page 95: Clearing Forgotten Passwords

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Remove the base cover. Remove the jumper plug from pins 3 and 4 and replace it on pins 2 and 4.
  • Page 96 Turn off your computer. Remove the base cover. Remove the jumper plug from pins 2 and 4 and replace it on pins 3 and 4. jumper plug pin 2 pin 1 pin 3 Replace the base cover.

  • Page 97: Clearing Cmos Settings

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Remove the base cover. Remove the jumper plug from pins 3 and 4 and replace it on pins 1 and 3.
  • Page 98 Turn off your computer. Remove the base cover. Remove the jumper plug from pins 1 and 3 and replace it on pins 3 and 4. pin 2 jumper plug pin 1 pin 3 Replace the base cover.

  • Page 99: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the computer. Go to www.dell.com/support. Click Product Support, enter the Service Tag of your computer and click Submit.

  • Page 100: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Information about Dell products and www.dell.com services Windows 8.1 and Windows 10 Dell Help & Support app Windows 10 Get started app Windows 8.1...

  • Page 101: Contacting Dell

    Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

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